Poria cocos is a very old and widely used herb especially in Chinese medicine. Poria cocos has been traditionally used as a tonic to benefit the internal organs.

Main chemical constituents of Poria cocos includes: Beta-pachyman, a polysaccharide beta-pachymarose and several organic acids such as tumulosic acid, eubricoic acid, pinicolic acid, and pachymic acid, 3-beta-hydroxylanosta-7, 9(11). 24-trien-21-oic acid, chitin, protein, fat, glucose, sterols, lecithin, gum, choline, etc.

Poria cocos has tranquilizing, diuretic, and cardiotonic effects. Poria cocos also lowers blood sugar levels, and has anti-bacterial, immunotonic and anti-cancer effects. Its different parts have different functions.